I wouldn't include MGS:TS as a special edition since it was released so long after MGS1, on a new system. If we look at the figures in my post below we can see how much each special edition of MGS2&3 added to the overall sales.
MGS2 Substance added ~225,500 to overall MGS2 sales. MGS3 Subsistence added 288,000 to overall MGS3 sales.
Not counting territories other than NA or PAL. Were the SE released in EU, etc?
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MGS2 Substance added ~225,500 to overall MGS2 sales.
MGS3 Subsistence added 288,000 to overall MGS3 sales.
Not counting territories other than NA or PAL. Were the SE released in EU, etc?